Finding the Fourth Proportional to 110,448.12, 152,422.38 and 65,105.40

Step by Step Solution

1. Step 1: Write the proportion equation
   110,448.12 : 152,422.38 = 65,105.40 : x
2. Step 2: Convert to fraction form
   110,448.12/152,422.38 = 65,105.40/x
3. Step 3: Cross multiply
   110,448.12x = 152,422.38 × 65,105.40
4. Step 4: Simplify right side
   110,448.12x = 9,923,520,018.85
5. Step 5: Solve for x
   x = 9,923,520,018.85/110,448.12
6. Step 6: Final answer
   x = 89,847.79